:大慶YANMAR發(fā)動(dòng)機(jī)廠家
HM813849/10 HM813810 HM813849 HM218248/10 HM218248 HM218210 31314 31308 30312 30214 A4138D A4059 94800/98789D 9380 90016 64700D 71451D 71450 39580 39520 30208M 30205XL 31308 6580 6535 6580/35 3877 3820 3877/20 HP16010 ER-12 ER12 JP16049 417520 28523/28520-20024 46790/46720 JM207PP-PR JM207PPPRJM714249 JM714210 SMN114K SN107K GN211KRRB+P座 GN111KRRB+T18802 170RU51R3 YAS-40 DODGE軸承 P4B-S2-115R (070361) DODGE軸承 P4B-S2-200R (070362) DODGE軸承 P4B-S2-203R (070363) DODGE軸承 P4B-S2-207R (070365) DODGE軸承 P4B-S2-211R (070367) DODGE軸承 P4B-S2-215R (070368) DODGE軸承 P4B-S2-300R (070369) DODGE軸承 P4B-S2-307R (070371) DODGE軸承 P4B-S2-315R (070373) DODGE軸承 P4B-S2-407R (070375) DODGE軸承 P4B-S2-415R (070377) DODGE軸承 P4B-S2-115RE (070379) DODGE軸承 P4B-S2-200RE (070380) DODGE軸承 P4B-S2-203RE (070381) DODGE軸承 P4B-S2-207RE (070383) DODGE軸承 P4B-S2-211RE (070385) DODGE軸承 P4B-S2-215RE (070386) DODGE軸承 P4B-S2-300RE (070387) DODGE軸承 P4B-S2-307RE (070389) DODGE軸承 P4B-S2-315RE (070391) DODGE軸承 P4B-S2-407RE(070393) DODGE軸承 P4B-S2-415RE (070395) DODGE軸承 P4B-S2-115L (070397) DODGE軸承 P4B-S2-200L (070398) DODGE軸承 P4B-S2-203L (070399) DODGE軸承 P4B-S2-207L (070401) DODGE軸承 P4B-S2-211L (070403) DODGE軸承 P4B-S2-215L (070404) DODGE軸承 P4B-S2-300L (070405) DODGE軸承 P4B-S2-307L (070407) DODGE軸承 P4B-S2-315L (070409) DODGE軸承 P4B-S2-407L (070411) DODGE軸承 P4B-S2-415L (070413) DODGE軸承 P4B-S2-115LE (070415) DODGE軸承 P4B-S2-200LE (070416) DODGE軸承 P4B-S2-203LE (070417) DODGE軸承 P4B-S2-207LE (070419) DODGE軸承 P4B-S2-211LE (070421) DODGE軸承 P4B-S2-215LE (070422) DODGE軸承 P4B-S2-300LE (070423) DODGE軸承 P4B-S2-307LE (070425) DODGE軸承 P4B-S2-315LE (070427) DODGE軸承 P4B-S2-407LE(070429) DODGE軸承 P4B-S2-415LE (070431)
DODGE軸承 EP4B-S2-207R (070433) DODGE
軸承EP4B-S2-211R (070434) DODGE軸承 EP4B-S2-215R(070435) DODGE軸承 EP4B-S2-300R (070436) DODGE軸承 EP4B-S2-307R (070437) DODGE軸承
EP4B-S2-315R (070438)
:大慶YANMAR發(fā)動(dòng)機(jī)廠家兩處容積的大小、位置與噪聲有關(guān)。閥片對(duì)閥座和支持件的撞擊噪聲吸入的氣體量大，泵的循環(huán)油量多，閥片噪聲就越大，閥跳高，閥的面積大，閥片噪聲也大，閥片材料也有一定影響。橡膠閥片的噪聲應(yīng)比鋼片或?qū)訅喊鍨楹谩榇耍?jié)制進(jìn)油量，閥片關(guān)閉要及時(shí)，要嚴(yán)密。閥的選材與結(jié)構(gòu)。箱體內(nèi)的回聲和氣泡破裂聲氣量增大時(shí)，此項(xiàng)噪聲將增大。開氣鎮(zhèn)時(shí)或通大氣時(shí)此項(xiàng)噪聲會(huì)明顯增大。如果氣鎮(zhèn)量可調(diào)，則可調(diào)節(jié)氣鎮(zhèn)量。大量氣體和油排出時(shí)沖擊擋油板等零部件時(shí)發(fā)出的噪聲。如果零件剛性不足，或未緊固，產(chǎn)生振動(dòng)與碰撞，會(huì)使此項(xiàng)噪聲增大。因此擋油板不僅應(yīng)有足夠剛度并緊固，而且，在需與其他零件（如油箱）接觸時(shí)，利用夾橡膠的方法可避免振動(dòng)引起的碰撞噪聲，并改善擋油效果。旋轉(zhuǎn)將氣體吸入、壓縮并排出的真空泵，如往復(fù)真空泵、旋片真空泵、滑閥真空泵、羅茨真空泵，產(chǎn)生噪音的原因很大程度來(lái)自活塞的磨損。應(yīng)避免在真空度或排氣壓力附近運(yùn)行真空泵。
